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Sixty-two total hip arthroplasties in 49 patients with a diagnosis of rheumatoid arthritis were performed between November 1986 and December 1992. All components were titanium alloy with a circumferential plasma-spray porous coating. Four patients (4 hips) died before 5-year follow-up, and 6 patients (8 hips) were lost to follow-up, leaving 39 patients (50(More)
BACKGROUND Cementless total hip arthroplasty is an accepted alternative to total hip arthroplasty with cement in younger patients, but it remains controversial for elderly patients. The purpose of this study was to evaluate the clinical and radiographic outcomes of cementless total hip arthroplasty with use of a proximally coated stem in patients who were(More)
i Acknowledgments Completing my PhD degree is probably the most challenging activity of my first 33 years of my life. The best and worst moments of my doctoral journey have been shared with many people. It has been a great privilege to spend my first year of my PhD in the laboratory TIMC–IMAG and the last 2.5 years in the Laboratory of Psychology and(More)
This paper reports the results obtained from a round of communicability tests performed on a videogame prototype. The goal of the videogame is to help High School students improve their understanding of the Numerical Evaluation of Algebraic Expressions, which is part of Algebra. The aim is to verify how effectively the graphical and textual components(More)
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